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Suppose the driver in this example is now moving with speed 36.5 m/s, and slams on the brakes, stopping the car in 5.3 seconds. (a) Find the acceleration assuming the acceleration is constant. (b) Find the distance the car travels, assuming the acceleration is constant. (c) Find the average velocity.
Two people start at the same place and walk around a circular lake in opposite directions. How long will it be before they meet
Calculate the mass difference in atomic mass units, between the helium nucleus and its constituent nucleons
If s is measured in feet, the value of a is 3? How many seconds do you have to get out of the way of a chandelier wich falls from a 400 foot ceiling
A wooden block floating in seawater has half of its volume submerged. When the block is placed in mineral oil, 93% of its volume is submerged.
Occasionally, huge icebergs are found floating on the ocean's currents. Suppose one such iceberg is 125 km long, 32.6 km wide, and 159 m thick. (a) How much heat in joules would be required to melt this iceberg (assumed to be at 0 °C) into liquid ..
An object with a mass of 4.0 Kg travels with a constant velocity of 8.5m/s northward. How far will the object travel before coming to rest
The elements in a series RCL circuit are a 106 Ω resistor, a 3.30 µF capacitor, and a 0.0310 H inductor. The frequency is 609 Hz. What are the impedance of the circuit
The spring constant of a toy dart gun is 5000 N/ M. To cock the gun the spring is compressed 3 cm. Estimate the speed of the projectile when it returns to its starting point
question a skier of mass 70kg is pulled up a slope by a motor driven cable. the work required to pul him 60m up a 30
A 70.5kg football player is gliding across very smooth ice at 1.75 m/s. What is the player's speed afterward if the ball is thrown at 12.5m/s relative to the player
As F is enhancement d, the block would either begin to slide, or begin to tip over. What must be the coefficient of static friction ms so that the block begins to slide rather than tip.
A thermodynamic system undergoes a process in which itsinternal energy increases by520 J. what is the energy transferred toor from it by heat
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